Please see the following bug for a complete summary:
https://bugzilla.redhat.com/show_bug.cgi?id=1615608

Index: glibc-2.28/manual/startup.texi
===================================================================
--- glibc-2.28.orig/manual/startup.texi
+++ glibc-2.28/manual/startup.texi
@@ -1005,14 +1005,6 @@ This function actually terminates the pr
 intercept this signal; see @ref{Signal Handling}.
 @end deftypefun
 
-@c Put in by rms.  Don't remove.
-@cartouche
-@strong{Future Change Warning:} Proposed Federal censorship regulations
-may prohibit us from giving you information about the possibility of
-calling this function.  We would be required to say that this is not an
-acceptable way of terminating a program.
-@end cartouche
-
 @node Termination Internals
 @subsection Termination Internals